Table 1.
Demographic characteristics of patients newly diagnosed with ulcerative colitis from 2008–2014 (Truven MarketScan Database®)
| Total (n=38,851) | Males (n=18,489) | Females (n=20,362) | p-value | |
|---|---|---|---|---|
| Mean Age (Median) | 42.6 (45) | 42.1 (44) | 43.0 (45) | <0.001 |
| Age Group, n (%) | ||||
| 12 to 18 | 2,377 (6.1) | 1,299 (7.0) | 1,078 (5.3) | <0.001 |
| 19 to 30 | 5,934 (15.3) | 2,957 (16.0) | 2,977 (14.6) | |
| 31 to 45 | 11,918 (30.7) | 5,566 (30.1) | 6,352 (31.2) | |
| 46 to 64 | 18,622 (47.9) | 8,667 (46.9) | 9,955 (48.9) | |
| Geographic Region, n (%) | ||||
| 1 (Northeast) | 9,228 (23.8) | 4,456 (24.1) | 4,772 (23.4) | <0.001 |
| 2 (North Central) | 8,470 (21.8) | 4,195 (22.7) | 4,275 (21.0) | |
| 3 (South) | 13,656 (35.2) | 6,261 (33.9) | 7,395 (36.3) | |
| 4 (West) | 6,721 (17.3) | 3,211 (17.4) | 3,510 (17.2) | |
| 5 (Unknown) | 776 (2.0) | 366 (2.0) | 410 (2.0) | |
| Insurance Type, n (%) | ||||
| EPO/PPO | 25,036 (64.4) | 12,019 (65.0) | 13,017 (63.9) | 0.02 |
| HMO/ Cap POS | 4,822 (12.4) | 2,223 (12.0) | 2,599 (12.8) | |
| HDHP/CDHP | 2,788 (7.2) | 1,295 (7.0) | 1,493 (7.3) | |
| POS | 3,019 (7.8) | 1,392 (7.5) | 1,627 (8.0) | |
| Comp | 748 (1.9) | 360 (2.0) | 388 (1.9) | |
| Unknown/Missing | 2,438 (6.3) | 1,200 (6.5) | 1,238 (6.1) | |
| Year of Diagnosis, n (%) | ||||
| 2008 | 6,289 (16.2) | 2,961 (16.0) | 3,328 (16.3) | 0.87 |
| 2009 | 6,911 (17.8) | 3,297 (17.8) | 3,614 (17.8) | |
| 2010 | 6,442 (16.6) | 3,083 (16.7) | 3,359 (16.5) | |
| 2011 | 6,418 (16.5) | 3,062 (16.6) | 3,356 (16.5) | |
| 2012 | 5,383 (13.9) | 2,592 (14.0) | 2,791 (13.7) | |
| 2013 | 4,588 (11.8) | 2,151 (11.6) | 2,437 (12.0) | |
| 2014 | 2,820 (7.3) | 1,343 (7.3) | 1,477 (7.3) | |
| Grouped Charlson Index | ||||
| 0 | 22,263 (57.3) | 10,902 (59.0) | 11,361 (55.8) | <.001 |
| 1 | 8,878 (22.9) | 3,982 (21.5) | 4,896 (24.0) | |
| 2+ | 7,710 (19.8) | 3,605 (19.5) | 4,105 (20.2) | |
| Years of Follow-Up After Diagnosis | ||||
| Mean (Median) | 3.30 (2.90) | 3.31 (2.93) | 3.28 (2.88) | 0.09 |